240148720 has 80 divisors (see below), whose sum is σ = 644833728. Its totient is φ = 81469440.

The previous prime is 240148717. The next prime is 240148747. The reversal of 240148720 is 27841042.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52110 + ... + 56530.

Almost surely, 2^240148720 is an apocalyptic number.

240148720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 240148720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (322416864).

240148720 is an abundant number, since it is smaller than the sum of its proper divisors (404685008).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

240148720 is a wasteful number, since it uses less digits than its factorization.

240148720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4538 (or 4532 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 28.

The square root of 240148720 is about 15496.7325588332. The cubic root of 240148720 is about 621.5748379131.

Adding to 240148720 its reverse (27841042), we get a palindrome (267989762).

The spelling of 240148720 in words is "two hundred forty million, one hundred forty-eight thousand, seven hundred twenty".